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| Aquaculture |
| Volume 357, Number 3 (August 2012) |
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Cytokine responses in the common carp, Cyprinus carpioL. treated with baker’s yeast extract |
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Authors: |
G. Biswas, H. Korenaga, H. Takayama, T. Kono, H. Shimokawa, M. Sakai |
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Author Affiliations: |
| no affiliations available |
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Source: |
Aquaculture, Volume 357, Number 3 (August 2012) |
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Page Numbers: |
169 – 175 |
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Available Full Text: |
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PDF |
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Unknown |
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Publisher’s Site |
| Authentication: |
Publisher’s Site |
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Abstract: |
Cytokines are important regulators of the immune system and investigation of their functions may prove useful for the development of vaccines and immunostimulants for aquaculture. We therefore investigated the cytokine [interleukin (IL)-1ß, IL-10, IL-12 p35 and p40, tumor necrosis factor (TNF)-a, CXC-chemokine and interferon (IFN)-a and ?] responses of the common carp, Cyprinus carpioL., upon treatment with a commercial baker’s yeast extract (CW-I) that contained nucleotides and ß-glucan. Additionally, to confirm that the CW-I-induced cytokines were functional, we also assessed the effect of CW-I administration on superoxide anion production and phagocytic activities of head kidney leucocytes and resistance to Aeromonas hydrophilainfection in the common carp. Our results demonstrate that baker’s yeast extract-treated fish displayed a significant up-regulation of pro-inflammatory cytokine (IL-1ß, IL-12 p35 and p40, TNF-a, CXC-chemokine, IFN-?2) gene expression and a down-regulation of anti-inflammatory cytokine (IL-10) gene expression. Furthermore, significantly increased phagocytic activity and superoxide anion production in kidney cells, and resistance to a bacterial pathogen, were observed in the yeast extract-treated fish compared to non-treated fish. The current study indicates the immunostimulatory effects of a baker’s yeast extract rich in nucleotides and ß-glucan on the carp immune system and supports its potential use in aquaculture. |
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Citation: |
G. Biswas, H. Korenaga, H. Takayama, T. Kono, H. Shimokawa, M. Sakai . Cytokine responses in the common carp, Cyprinus carpioL. treated with baker’s yeast extract. Aquaculture, Volume 357, Number 3 (August 2012), pp. 169-175, ; |
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URL: |
http://ejournals.ebsco.com/direct.asp?ArticleID=4452BF835526CF3E9375 |
Hi, should I throw the yeast into the pond or can I feed the koi with the bread?thanks.
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The work that’s been done is in relation to feeding the fish, so feeding the koi with the bread should work.
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